| Mariehamn to Dalmine | 1,084.44 mi (1,745.24 km) |
| Mariehamn to Deruta | 1,224.09 mi (1,969.99 km) |
| Mariehamn to Desenzano del Garda | 1,082.01 mi (1,741.33 km) |
| Mariehamn to Desio | 1,092.82 mi (1,758.72 km) |
| Mariehamn to Dolianova | 1,505.24 mi (2,422.45 km) |
| Mariehamn to Dolo | 1,063.94 mi (1,712.25 km) |
| Mariehamn to Domodossola | 1,076.50 mi (1,732.46 km) |
| Mariehamn to Dorgali | 1,438.60 mi (2,315.20 km) |
| Mariehamn to Dueville | 1,056.96 mi (1,701.01 km) |
| Mariehamn to Eboli | 1,362.32 mi (2,192.44 km) |
| Mariehamn to Elmas | 1,514.83 mi (2,437.88 km) |
| Mariehamn to Empoli | 1,192.43 mi (1,919.04 km) |
| Mariehamn to Enna | 1,576.89 mi (2,537.77 km) |
| Mariehamn to Eraclea | 1,046.15 mi (1,683.62 km) |
| Mariehamn to Erba | 1,079.83 mi (1,737.82 km) |
